EfSedanLove

My friend bought a Turbo kit and he keeps annoying me over this question. He wants to know were all the vacuum lines go on the turbo kit. Ive searched for him, and i have looked at pictures but no luck. He doesn't know were they all go, and i actually dont either L0l. He has a stock 91 Si Hatch. Another thing he wants to know if he can run stock injectors with just a FMU?.

awdgsx96

People run the stock injectors on a FMU, and it is frowned upon. He is going to need a vacuum line from the BOV to Intake Manifold. For the wastegate, you need one to go to a vacuum source, such as Intake Manifold or a Vacuum Manifold which can be bought cheap. The other line from the wastegate has to go to the turbo. Does your friend have oil lines and return too?

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awdgsx96

Also forgot to mention, a vacuum line to your Boost gauge if he has one.

EfSedanLove

So the FMU question is a good?. and for the oil line, he has the oil filter adapter, same used on ls/vtec kit they have on ebay. Ill let him know about the vacuum lines.

L0l opps i was typing turbo vacuum lines..

EfSedanLove

does the vacuum line on top the waste gate go on the turbo or the vacuum line on the side of the waste gate?

B18 CYA

side of the wastegate goes to vacuum, top of the wastegate is if you have a boost controller

HiProfile

Usually its the side hole, as that pushes the diaphram & valve up. Just make sure the BOV, wastegate, and boost gauge come all from the same area. The best way is with a vacuum manifold connected between the brake booster and intake manifold. Various parts of the pressurized system can see slightly different pressures.

EfSedanLove

so a line from the bov, wastegate, and boost gauge would go on one line, FMU on a different line? also i herd bigger lines are better?

the the top of the wastegate, if i dont have a boost controller do i close the hole or leave it open

and for the springs in the wastegate, the harder the spring the higher the psi and the softer the spring the lower the psi?

if you have a boost controller what springs to use?

EfSedanLove

.

EfSedanLove

ok im lost so

the side of the wastegate goes to a vacuum source or the turbo?

the top of the waste gate is what?

Flamenco-T

vacuum is vacuum, it doesn't matter wher eyou tap it as long as you don't use the IAB vac source on GS-R

If your friends runs a manual boost controller...

He needs to TEE off the BC in between the bottom port of the WG and the Compressor housing or any vac source

If he runs a electronic boost controller, then he needs to run the boost source from the top port of the WG to the BC solenoid.

Hope this helps..

EfSedanLove

lol totally confused me

EfSedanLove

right now the side of the wastegate is connected to the turbo